Dynamic Change of Farming Period in Shandong Province from 1961 to 2008
WANG Jian-yuan1,FAN Li-ju1,ZHANG Xuan2(1.Climate Center of Shandong Province,Jinan 250031,China;2.Meteorological Observatory of Shandong Province,Jinan 250031)
Chinese Journal of Agrometeorology . 2010, (03): 358 -363 .